Ensure performance statistics is started before connection to the OCPP

[e-mobility-charging-stations-simulator.git] / src / charging-station / Bootstrap.ts

diff --git a/src/charging-station/Bootstrap.ts b/src/charging-station/Bootstrap.ts
index 48188134d88fcb3c8959e8144734d9da95a75699..acfd99145e9a33b4d983bbecfc864427c0ebd9ae 100644 (file)
--- a/src/charging-station/Bootstrap.ts
+++ b/src/charging-station/Bootstrap.ts
@@ -1,19 +1,23 @@
 import Configuration from '../utils/Configuration';
 import { StationWorkerData } from '../types/Worker';
 import Utils from '../utils/Utils';
+import WorkerAbstract from '../worker/WorkerAbstract';
 import WorkerFactory from '../worker/WorkerFactory';
-import Wrk from '../worker/Wrk';
 import { isMainThread } from 'worker_threads';
+import path from 'path';
+import { version } from '../../package.json';
 
 export default class Bootstrap {
   private static instance: Bootstrap;
-  private isStarted: boolean;
+  private version: string = version;
+  private started: boolean;
   private workerScript: string;
-  private workerImplementation: Wrk;
+  private workerImplementationInstance: WorkerAbstract | null = null;
 
   private constructor() {
-    this.isStarted = false;
-    this.workerScript = './dist/charging-station/StationWorker.js';
+    this.started = false;
+    this.workerScript = path.join(path.resolve(__dirname, '../'), 'charging-station', 'StationWorker.js');
+    Configuration.setConfigurationChangeCallback(async () => Bootstrap.getInstance().restart());
   }
 
   public static getInstance(): Bootstrap {
@@ -24,10 +28,10 @@ export default class Bootstrap {
   }
 
   public async start(): Promise<void> {
-    if (isMainThread && !this.isStarted) {
+    if (isMainThread && !this.started) {
       try {
         let numStationsTotal = 0;
-        await this.getWorkerImplementation().start();
+        await this.getWorkerImplementationInstance()?.start();
         // Start ChargingStation object in worker thread
         if (Configuration.getStationTemplateURLs()) {
           for (const stationURL of Configuration.getStationTemplateURLs()) {
@@ -36,13 +40,12 @@ export default class Bootstrap {
               for (let index = 1; index <= nbStations; index++) {
                 const workerData: StationWorkerData = {
                   index,
-                  templateFile: stationURL.file
+                  templateFile: path.join(path.resolve(__dirname, '../'), 'assets', 'station-templates', path.basename(stationURL.file))
                 };
-                await this.getWorkerImplementation().addElement(workerData);
+                await this.getWorkerImplementationInstance()?.addElement(workerData);
                 numStationsTotal++;
               }
             } catch (error) {
-            // eslint-disable-next-line no-console
               console.error('Charging station start with template file ' + stationURL.file + ' error ', error);
             }
           }
@@ -52,25 +55,22 @@ export default class Bootstrap {
         if (numStationsTotal === 0) {
           console.log('No charging station template enabled in configuration, exiting');
         } else {
-          console.log(`Charging station simulator started with ${numStationsTotal.toString()} charging station(s) and ${Utils.workerDynamicPoolInUse() ? `${Configuration.getWorkerPoolMinSize().toString()}/` : ''}${this.getWorkerImplementation().size}${Utils.workerPoolInUse() ? `/${Configuration.getWorkerPoolMaxSize().toString()}` : ''} worker(s) concurrently running in '${Configuration.getWorkerProcess()}' mode (${this.getWorkerImplementation().maxElementsPerWorker} charging station(s) per worker)`);
+          console.log(`Charging station simulator ${this.version} started with ${numStationsTotal.toString()} charging station(s) and ${Utils.workerDynamicPoolInUse() ? `${Configuration.getWorkerPoolMinSize().toString()}/` : ''}${this.getWorkerImplementationInstance().size}${Utils.workerPoolInUse() ? `/${Configuration.getWorkerPoolMaxSize().toString()}` : ''} worker(s) concurrently running in '${Configuration.getWorkerProcess()}' mode${this.getWorkerImplementationInstance().maxElementsPerWorker ? ` (${this.getWorkerImplementationInstance().maxElementsPerWorker} charging station(s) per worker)` : ''}`);
         }
-        this.isStarted = true;
+        this.started = true;
       } catch (error) {
-      // eslint-disable-next-line no-console
         console.error('Bootstrap start error ', error);
       }
     }
   }
 
   public async stop(): Promise<void> {
-    if (isMainThread && this.isStarted) {
-      await this.getWorkerImplementation().stop();
-      if (this.getWorkerImplementation()) {
-        // Nullify to force worker implementation instance creation
-        this.workerImplementation = null;
-      }
+    if (isMainThread && this.started) {
+      await this.getWorkerImplementationInstance()?.stop();
+      // Nullify to force worker implementation instance creation
+      this.workerImplementationInstance = null;
     }
-    this.isStarted = false;
+    this.started = false;
   }
 
   public async restart(): Promise<void> {
@@ -78,14 +78,19 @@ export default class Bootstrap {
     await this.start();
   }
 
-  private getWorkerImplementation(): Wrk {
-    if (!this.workerImplementation) {
-      this.workerImplementation = WorkerFactory.getWorkerImpl<StationWorkerData>(this.workerScript, Configuration.getWorkerProcess(), {
-        poolMaxSize: Configuration.getWorkerPoolMaxSize(),
-        poolMinSize: Configuration.getWorkerPoolMinSize(),
-        elementsPerWorker: Configuration.getChargingStationsPerWorker()
-      });
+  private getWorkerImplementationInstance(): WorkerAbstract | null {
+    if (!this.workerImplementationInstance) {
+      this.workerImplementationInstance = WorkerFactory.getWorkerImplementation<StationWorkerData>(this.workerScript, Configuration.getWorkerProcess(),
+        {
+          startDelay: Configuration.getWorkerStartDelay(),
+          poolMaxSize: Configuration.getWorkerPoolMaxSize(),
+          poolMinSize: Configuration.getWorkerPoolMinSize(),
+          elementsPerWorker: Configuration.getChargingStationsPerWorker(),
+          poolOptions: {
+            workerChoiceStrategy: Configuration.getWorkerPoolStrategy()
+          }
+        });
     }
-    return this.workerImplementation;
+    return this.workerImplementationInstance;
   }
 }